Information from: “A sociolinguistic survey of Heyo, Pahi, and Mayo-Pasi” (109-140) . Hutchinson, Ian Summer Institute of Linguistics
40 percent certain, based on the evidence available
Population of seven villages: 1711 + 113 absentees.
DOMAINS OF USE
OTHER LANGUAGES USED BY THE COMMUNITY
Papua New Guinea
7 villages: Gamo, Semengla, Tuginaro, Ulap, Vei, Wulbowe, and Yimut.
Information from: “Sepik languages: checklist and preliminary classification” . Laycock, Donald C. (1973) , Wurm, Stephen A. · Australian National University, Research School of Pacific Studies, Department of Linguistics
20 percent certain, based on the evidence available